| 年度 | 数值 | 单位 | 发布日期 |
| 2026 | 13000 | 千头 | 2026-9 |
| 2025 | 13600 | 千头 | 2026-9 |
| 2024 | 13930 | 千头 | 2026-9 |
| 2023 | 14500 | 千头 | 2026-9 |
| 2022 | 13500 | 千头 | 2026-9 |
| 2021 | 13000 | 千头 | 2026-9 |
| 2020 | 14000 | 千头 | 2026-9 |
| 2019 | 13955 | 千头 | 2026-9 |
| 2018 | 13460 | 千头 | 2026-9 |
| 2017 | 12600 | 千头 | 2026-9 |
| 2016 | 11800 | 千头 | 2026-9 |
| 2015 | 12430 | 千头 | 2026-9 |
| 2014 | 12400 | 千头 | 2026-9 |
| 2013 | 12900 | 千头 | 2026-9 |
| 2012 | 11600 | 千头 | 2026-9 |
| 2011 | 11060 | 千头 | 2026-9 |
| 2010 | 11900 | 千头 | 2026-9 |
| 2009 | 16100 | 千头 | 2026-9 |
| 2008 | 14800 | 千头 | 2026-9 |
| 2007 | 15200 | 千头 | 2026-9 |
| 2006 | 13700 | 千头 | 2026-9 |
| 2005 | 14600 | 千头 | 2026-9 |
| 2004 | 14800 | 千头 | 2026-9 |
| 2003 | 13000 | 千头 | 2026-9 |
| 2002 | 12300 | 千头 | 2026-9 |
| 2001 | 12300 | 千头 | 2026-9 |
| 2000 | 13200 | 千头 | 2026-9 |
| 1999 | 13000 | 千头 | 2026-9 |
| 1998 | 12300 | 千头 | 2026-9 |
| 1997 | 14100 | 千头 | 2026-9 |
| 1996 | 12500 | 千头 | 2026-9 |
| 1995 | 12300 | 千头 | 2026-9 |
| 1994 | 12400 | 千头 | 2026-9 |
| 1993 | 12100 | 千头 | 2026-9 |
| 1992 | 11900 | 千头 | 2026-9 |
| 1991 | 12650 | 千头 | 2026-9 |
| 1990 | 12500 | 千头 | 2026-9 |
| 1989 | 12200 | 千头 | 2026-9 |
| 1988 | 12200 | 千头 | 2026-9 |
| 1987 | 12800 | 千头 | 2026-9 |
| 1986 | 14000 | 千头 | 2026-9 |
| 1985 | 13700 | 千头 | 2026-9 |
| 1984 | 12196 | 千头 | 2026-9 |
| 1983 | 11426 | 千头 | 2026-9 |
| 1982 | 12362 | 千头 | 2026-9 |
| 1981 | 14650 | 千头 | 2026-9 |
| 1980 | 13830 | 千头 | 2026-9 |
| 1979 | 15225 | 千头 | 2026-9 |
| 1978 | 16250 | 千头 | 2026-9 |
| 1977 | 14748 | 千头 | 2026-9 |
| 1976 | 13868 | 千头 | 2026-9 |
| 1975 | 12146 | 千头 | 2026-9 |
| 1974 | 10115 | 千头 | 2026-9 |
| 1973 | 9818 | 千头 | 2026-9 |
| 1972 | 10010 | 千头 | 2026-9 |
| 1971 | 9468 | 千头 | 2026-9 |
| 1970 | 12925 | 千头 | 2026-9 |
| 1969 | 13821 | 千头 | 2026-9 |
| 1968 | 12802 | 千头 | 2026-9 |
| 1967 | 12520 | 千头 | 2026-9 |
| 1966 | 11076 | 千头 | 2026-9 |
| 1965 | 9134 | 千头 | 2026-9 |
| 1964 | 9368 | 千头 | 2026-9 |
| 1963 | 12926 | 千头 | 2026-9 |
| 1962 | 11790 | 千头 | 2026-9 |
| 1961 | 10212 | 千头 | 2026-9 |
| 1960 | 8884 | 千头 | 2026-9 |